Muting device



FIG. 1 is a top/rear/left side perspective view of the muting device of our design;

FIG. 2 is a left side view of the muting device;

FIG. 3 is a right side view of the muting device;

FIG. 4 is a top view of the muting device;

FIG. 5 is a bottom view of the muting device;

FIG. 6 is a rear view of the muting device; and,

FIG. 7 is a front view of the muting device.

The broken lines represent portions of the muting device that form no part of the claimed design. 

CLAIM The ornamental design for a muting device, as shown and described. 